Represents a subfolder of a nuget package that provides files (content, references, etc) for one or more Target Profiles. This is a logical representation of the 'net45' folder in a NuGet package, for example.

Force - Force the download and reinstallation of all packages
Redirects - Create binding redirects for the NuGet packages
OnlyReferenced - Only install packages that are referenced in paket.references files.
TouchAffectedRefs - Touch projects referencing installed packages even if the project file does not change.